<!DOCTYPE html>
<html>
  <head>
    <link rel="stylesheet" href="../js/index.css"></style>
    <script src="../js/vue.js"></script>
    <script src="../js/index.js"></script>

    <style>
    .el-header, .el-footer {
    background-color: #B3C0D1;
    color: #333;
    text-align: center;
    line-height: 60px;
  }
  
  .el-aside {
    background-color: #D3DCE6;
    color: #333;
    text-align: center;
    line-height: 200px;
  }
  
  .el-main {
    background-color: #E9EEF3;
    color: #333;
    text-align: center;
    line-height: 160px;
  }
  
  body > .el-container {
    margin-bottom: 40px;
  }
  
  .el-container:nth-child(5) .el-aside,
  .el-container:nth-child(6) .el-aside {
    line-height: 260px;
  }
  
  .el-container:nth-child(7) .el-aside {
    line-height: 320px;
  }

  body,html {
    height: 100%;
  }
  #app {
    height: 100%;
  }
    </style>
  </head>
  <body style="margin:0">
    <div id="app">

      <el-container style="height:100%">
        <el-header>Header</el-header>
        <el-container >
          <el-aside width="200px">Aside</el-aside>
          <el-main>Main</el-main>
        </el-container>
      </el-container>
    </div>
    
    <script>
    const vm = new Vue({
      el: '#app'
    })
    </script>
  </body>
</html>